27784707

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 39948480

約数和(自身を除く): 12163773

約数列:

[1, 3, 19, 57, 61, 131, 183, 393, 1159, 2489, 3477, 3721, 7467, 7991, 11163, 23973, 70699, 151829, 212097, 455487, 487451, 1462353, 9261569, 27784707]

約数ペア:

[(1, 27784707), (3, 9261569), (19, 1462353), (57, 487451), (61, 455487), (131, 212097), (183, 151829), (393, 70699), (1159, 23973), (2489, 11163), (3477, 7991), (3721, 7467)]